java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:40:31,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:40:31,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:40:31,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:40:31,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:40:31,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:40:31,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:40:31,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:40:31,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:40:31,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:40:31,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:40:31,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:40:31,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:40:31,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:40:31,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:40:31,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:40:31,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:40:31,812 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:40:31,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:40:31,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:40:31,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-28 22:40:31,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:40:31,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:40:31,823 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-28 22:40:31,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:40:31,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:40:31,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:40:31,834 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:40:31,834 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:40:31,834 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:40:31,834 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:40:31,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:40:31,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:40:31,835 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:40:31,836 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:40:31,836 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:40:31,836 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:40:31,836 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:40:31,836 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:40:31,837 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:40:31,837 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:40:31,837 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:40:31,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:40:31,837 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:40:31,838 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:40:31,838 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:40:31,838 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:40:31,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:40:31,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:40:31,839 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:40:31,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:40:31,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:40:31,839 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:40:31,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:40:31,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:40:31,840 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:40:31,840 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:40:31,841 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:40:31,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:40:31,886 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:40:31,890 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:40:31,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:40:31,892 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:40:31,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-28 22:40:32,097 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:40:32,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:40:32,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:40:32,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:40:32,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:40:32,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fba5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32, skipping insertion in model container [2018-01-28 22:40:32,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,124 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:40:32,172 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:40:32,280 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:40:32,292 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:40:32,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32 WrapperNode [2018-01-28 22:40:32,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:40:32,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:40:32,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:40:32,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:40:32,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... [2018-01-28 22:40:32,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:40:32,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:40:32,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:40:32,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:40:32,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:40:32,375 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:40:32,376 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:40:32,376 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-28 22:40:32,376 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-28 22:40:32,376 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:40:32,376 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:40:32,376 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:40:32,376 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:40:32,376 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:40:32,376 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:40:32,377 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:40:32,500 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:40:32,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:40:32 BoogieIcfgContainer [2018-01-28 22:40:32,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:40:32,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:40:32,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:40:32,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:40:32,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:40:32" (1/3) ... [2018-01-28 22:40:32,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4d2333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:40:32, skipping insertion in model container [2018-01-28 22:40:32,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:40:32" (2/3) ... [2018-01-28 22:40:32,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4d2333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:40:32, skipping insertion in model container [2018-01-28 22:40:32,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:40:32" (3/3) ... [2018-01-28 22:40:32,506 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-28 22:40:32,512 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:40:32,517 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-28 22:40:32,563 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:40:32,563 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:40:32,563 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:40:32,563 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:40:32,563 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:40:32,563 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:40:32,564 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:40:32,564 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:40:32,565 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:40:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-28 22:40:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-28 22:40:32,589 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:32,590 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:32,590 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:32,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628397, now seen corresponding path program 1 times [2018-01-28 22:40:32,597 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:32,598 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:32,662 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:32,662 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:32,663 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:32,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:32,819 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:32,819 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:40:32,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:40:32,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:40:32,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:40:32,841 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2018-01-28 22:40:32,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:32,971 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-01-28 22:40:32,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 22:40:32,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-28 22:40:32,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:32,980 INFO L225 Difference]: With dead ends: 37 [2018-01-28 22:40:32,981 INFO L226 Difference]: Without dead ends: 33 [2018-01-28 22:40:32,983 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:40:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-28 22:40:33,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-01-28 22:40:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-28 22:40:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-01-28 22:40:33,013 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 18 [2018-01-28 22:40:33,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,014 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-01-28 22:40:33,014 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:40:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-01-28 22:40:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-28 22:40:33,014 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:33,014 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:33,015 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:33,015 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628398, now seen corresponding path program 1 times [2018-01-28 22:40:33,015 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:33,015 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:33,016 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,016 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:33,017 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:33,032 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:33,094 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:33,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:40:33,096 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:40:33,096 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:40:33,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:40:33,097 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states. [2018-01-28 22:40:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:33,141 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-01-28 22:40:33,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 22:40:33,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-28 22:40:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:33,177 INFO L225 Difference]: With dead ends: 35 [2018-01-28 22:40:33,178 INFO L226 Difference]: Without dead ends: 34 [2018-01-28 22:40:33,178 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:40:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-28 22:40:33,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-01-28 22:40:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-28 22:40:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-01-28 22:40:33,183 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 18 [2018-01-28 22:40:33,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,183 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-01-28 22:40:33,183 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:40:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-01-28 22:40:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-28 22:40:33,184 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:33,184 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:33,184 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:33,184 INFO L82 PathProgramCache]: Analyzing trace with hash 508205128, now seen corresponding path program 1 times [2018-01-28 22:40:33,184 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:33,184 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:33,185 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,186 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:33,186 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:33,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:33,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:33,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:40:33,263 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:40:33,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:40:33,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:40:33,264 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 6 states. [2018-01-28 22:40:33,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:33,321 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-28 22:40:33,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-28 22:40:33,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-28 22:40:33,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:33,323 INFO L225 Difference]: With dead ends: 32 [2018-01-28 22:40:33,323 INFO L226 Difference]: Without dead ends: 31 [2018-01-28 22:40:33,323 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:40:33,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-01-28 22:40:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-01-28 22:40:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-01-28 22:40:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-01-28 22:40:33,331 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 19 [2018-01-28 22:40:33,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,332 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-01-28 22:40:33,333 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:40:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-01-28 22:40:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-28 22:40:33,334 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:33,334 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:33,334 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:33,334 INFO L82 PathProgramCache]: Analyzing trace with hash 508205129, now seen corresponding path program 1 times [2018-01-28 22:40:33,334 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:33,335 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:33,337 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,338 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:33,338 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:33,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:33,412 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:33,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:40:33,412 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:40:33,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:40:33,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:40:33,413 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 6 states. [2018-01-28 22:40:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:33,453 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-01-28 22:40:33,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-28 22:40:33,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-28 22:40:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:33,454 INFO L225 Difference]: With dead ends: 31 [2018-01-28 22:40:33,454 INFO L226 Difference]: Without dead ends: 30 [2018-01-28 22:40:33,455 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:40:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-28 22:40:33,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-01-28 22:40:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-28 22:40:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-01-28 22:40:33,459 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 19 [2018-01-28 22:40:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,459 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-01-28 22:40:33,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:40:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-01-28 22:40:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:40:33,460 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:33,460 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:33,461 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1429615934, now seen corresponding path program 1 times [2018-01-28 22:40:33,461 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:33,461 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:33,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,462 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:33,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:33,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:33,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:33,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:40:33,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:40:33,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:40:33,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:40:33,576 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 6 states. [2018-01-28 22:40:33,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:33,635 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-01-28 22:40:33,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-28 22:40:33,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-28 22:40:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:33,636 INFO L225 Difference]: With dead ends: 34 [2018-01-28 22:40:33,636 INFO L226 Difference]: Without dead ends: 23 [2018-01-28 22:40:33,636 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:40:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-28 22:40:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-28 22:40:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-28 22:40:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-01-28 22:40:33,639 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 21 [2018-01-28 22:40:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,639 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-01-28 22:40:33,639 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:40:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-01-28 22:40:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-28 22:40:33,640 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:40:33,640 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:40:33,640 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:40:33,640 INFO L82 PathProgramCache]: Analyzing trace with hash 179247047, now seen corresponding path program 1 times [2018-01-28 22:40:33,640 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:40:33,640 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:40:33,641 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,641 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:40:33,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:40:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:40:33,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:40:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:40:33,794 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:40:33,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-28 22:40:33,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-28 22:40:33,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-28 22:40:33,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:40:33,795 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 7 states. [2018-01-28 22:40:33,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:40:33,900 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-01-28 22:40:33,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-28 22:40:33,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-01-28 22:40:33,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:40:33,900 INFO L225 Difference]: With dead ends: 23 [2018-01-28 22:40:33,901 INFO L226 Difference]: Without dead ends: 0 [2018-01-28 22:40:33,901 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-28 22:40:33,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-28 22:40:33,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-28 22:40:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-28 22:40:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-28 22:40:33,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-28 22:40:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:40:33,902 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-28 22:40:33,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-28 22:40:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-28 22:40:33,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-28 22:40:33,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-28 22:40:33,923 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:40:33,923 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-28 22:40:33,923 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-28 22:40:33,923 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-28 22:40:33,923 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,924 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1440) the Hoare annotation is: true [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 1440) the Hoare annotation is: true [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1438 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,925 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1433 1436) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point entry_pointErr0RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1433 1436) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point L1435(line 1435) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point entry_pointErr1RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-28 22:40:33,926 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1433 1436) no Hoare annotation was computed. [2018-01-28 22:40:33,927 INFO L399 ceAbstractionStarter]: For program point L1434'(line 1434) no Hoare annotation was computed. [2018-01-28 22:40:33,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:40:33 BoogieIcfgContainer [2018-01-28 22:40:33,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:40:33,931 INFO L168 Benchmark]: Toolchain (without parser) took 1833.34 ms. Allocated memory was 308.3 MB in the beginning and 467.7 MB in the end (delta: 159.4 MB). Free memory was 267.3 MB in the beginning and 341.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 5.3 GB. [2018-01-28 22:40:33,932 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:40:33,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.73 ms. Allocated memory is still 308.3 MB. Free memory was 267.3 MB in the beginning and 255.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. [2018-01-28 22:40:33,933 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 308.3 MB. Free memory was 255.1 MB in the beginning and 253.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:40:33,933 INFO L168 Benchmark]: RCFGBuilder took 174.87 ms. Allocated memory is still 308.3 MB. Free memory was 253.1 MB in the beginning and 240.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. [2018-01-28 22:40:33,933 INFO L168 Benchmark]: TraceAbstraction took 1429.64 ms. Allocated memory was 308.3 MB in the beginning and 467.7 MB in the end (delta: 159.4 MB). Free memory was 239.5 MB in the beginning and 341.8 MB in the end (delta: -102.3 MB). Peak memory consumption was 57.1 MB. Max. memory is 5.3 GB. [2018-01-28 22:40:33,935 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 193.73 ms. Allocated memory is still 308.3 MB. Free memory was 267.3 MB in the beginning and 255.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 308.3 MB. Free memory was 255.1 MB in the beginning and 253.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 174.87 ms. Allocated memory is still 308.3 MB. Free memory was 253.1 MB in the beginning and 240.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1429.64 ms. Allocated memory was 308.3 MB in the beginning and 467.7 MB in the end (delta: 159.4 MB). Free memory was 239.5 MB in the beginning and 341.8 MB in the end (delta: -102.3 MB). Peak memory consumption was 57.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1438]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 3 error locations. SAFE Result, 1.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 30 SDslu, 393 SDs, 0 SdLazy, 149 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 14 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 6827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-40-33-942.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-40-33-942.csv Received shutdown request...